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20,000 travelers hit as Lufthansa cancels 84 long-haul flights over pilot strike

  • FILE - In this April 2, 2014 file picture Lufthansa aircrafts are parked as Lufthansa pilots went on a three-days-strike in Frankfurt, Germany. The German pilots' association announced a one-day strike starting Tuesday, Sept. 8, 2015.   (AP Photo/Michael Probst,file)

    FILE - In this April 2, 2014 file picture Lufthansa aircrafts are parked as Lufthansa pilots went on a three-days-strike in Frankfurt, Germany. The German pilots' association announced a one-day strike starting Tuesday, Sept. 8, 2015. (AP Photo/Michael Probst,file)  (The Associated Press)

  • FILE - In This Sept. 5, 2014 file photo a passenger makes a phone call near empty Lufthansa counters when pilots of Lufthansa went on a six hours warning strike at the airport in Frankfurt, Germany. The German pilots' association announced a one-day strike starting Tuesday, Sept. 8, 2015.  (AP Photo/Michael Probst)

    FILE - In This Sept. 5, 2014 file photo a passenger makes a phone call near empty Lufthansa counters when pilots of Lufthansa went on a six hours warning strike at the airport in Frankfurt, Germany. The German pilots' association announced a one-day strike starting Tuesday, Sept. 8, 2015. (AP Photo/Michael Probst)  (The Associated Press)

German airline Lufthansa says it is canceling 84 long-haul flights because of a pilot strike.

The airline says some 20,000 travelers will be affected by the grounding Tuesday. A further 90 flights will take place as planned.

The pilots union, Vereinigung Cockpit, says it will extend its strike to include medium- and short-haul flights Wednesday. Lufthansa's 5,400 pilots want the airline to keep paying a transition payment for those wanting to retire early, and are opposed to a restructuring of the airline.

Lufthansa says passengers should check its website, www.lh.com , for details of forthcoming flight cancelations.